﻿#region license
//
//	(C) 2007 - 2008 Novell, Inc. http://www.novell.com
//	(C) 2007 - 2008 Jb Evain http://evain.net
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;

namespace Telerik.JustDecompiler.Cil
{
	public class BlockRange : IEquatable<BlockRange>
	{

		public readonly InstructionBlock Start;
		public readonly InstructionBlock End;

		public BlockRange (InstructionBlock start, InstructionBlock end)
		{
			Start = start;
			End = end;
		}

		public bool Equals(BlockRange other)
		{
			return (Start == other.Start && End == other.End);
		}

		public override bool Equals(object obj)
		{
			BlockRange compareTo = obj as BlockRange;

			if (compareTo == null)
			{
				return false;
			}
			else
			{
				return Equals(compareTo);
			}
		}

		public override int GetHashCode()
		{
			return Start.Index * End.Index;
		}
	}
}
